{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1681276212",
    "entityType": "Track",
    "nonce": "0xbf2cc73b48e97412d7d08a662a793e5686c2644aff0d35278fbe68ca151e070b",
    "signature": "0xcae24954a3b761a99952c11b810104f6b3c0ff77f5998f50e8e63c2cea96d79542fac410d1eca4b8ad1fb145a14badd61f212518973d8b9d1f77f3bd4f0478721b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}